42177542 has 16 divisors (see below), whose sum is σ = 71398800. Its totient is φ = 18510240.

The previous prime is 42177533. The next prime is 42177557. The reversal of 42177542 is 24577124.

It is a junction number, because it is equal to n+sod(n) for n = 42177499 and 42177508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32417 + ... + 33692.

It is an arithmetic number, because the mean of its divisors is an integer number (4462425).

Almost surely, 2^42177542 is an apocalyptic number.

42177542 is a deficient number, since it is larger than the sum of its proper divisors (29221258).

42177542 is a wasteful number, since it uses less digits than its factorization.

42177542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66151.

The product of its digits is 15680, while the sum is 32.

The square root of 42177542 is about 6494.4239159451. The cubic root of 42177542 is about 348.0917701780.

The spelling of 42177542 in words is "forty-two million, one hundred seventy-seven thousand, five hundred forty-two".